A clamp support system including a support rack having a pair of first sides and a pair of second sides that interlockingly engage each other. Slots are defined in each of the first sides and slots in the opposed and parallel first sides are aligned. One or more clamps are supported by the support rack. A bar of each clamp is received in a pair of aligned slots in the first sides. Each clamp includes a first jaw and a second jaw operatively engaged with the bar. A workpiece is positioned so that the first jaw of each clamp contacts a first side of the workpiece and the second jaw of each clamp contacts a second side. The first and second jaws are moved relative to each other to clamp the workpiece therebetween.